Navy E-4/5/6 Construction Mechanic Rating Badges Rating Badge Type:Blue Serge They are often in command

They are often in command of small craft too

along with all associated equipment used by the USN

and a field exercise

The officers ornament is slightly larger

A member not only has to be assigned to one of the eight PSU units

Navy E-4/5/6 Construction Mechanic Rating Badges Rating Badge Type:Blue Serge They are often in commandUnited States Navy E 4 5 6 Construction Mechanic Rating Badge Criteria: Worn by Construction Mechanics (CM) with ranks from Petty Officer 3rd Class (E 4) to Petty Officer 1st Class (E 6). Construction Mechanics are responsible for the USN's heavy construction equipment. They maintain and repair all of the equipment's diesel and gasoline engines, transmission, along with other systems on the equipment. The badge is sold with all 3 chevrons below the